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ORIGINAL ARTICLE
Year : 2018  |  Volume : 6  |  Issue : 3  |  Page : 17-20

Assessment of different palatal rugae patterns in gender identification


1 Department of Oral Medicine and Radiology and PSM College of Dental Science and Research, Akkikavu, Thrissur, Kerala, India
2 Department of Oral and Maxillofacial Surgery, PSM College of Dental Science and Research, Akkikavu, Thrissur, Kerala, India
3 Department of Oral Medicine and Radiology, St. Gregorios Dental College, Kothamangalam, Ernakulam, Kerala, India

Correspondence Address:
Dr. Beenakumary Thiruthara Pappu
Department of Oral Medicine and Radiology, PSM College of Dental Science and Research, Akkikavu, Thrissur, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/INJO.INJO_11_18

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Background: The palatal rugae number, shape, width, height, and location vary from the left side of the palate to the right side as well as from one person to another, and are unique to every individual. This is the most commonly used scientific method of forensic identification. So this study was conducted with an aim to assess the different patterns of rugae in gender identification. Materials and Methods: This study comprised 40 participants (20 men and 20 women) between the age of 20 and 35 years. Maxillary impression was carried out and cast was poured. The rugae were divided into two halves and each half was highlighted using a lead pencil under spotlight by the examiner. Rugae pattern was classified into straight, wavy, circular, curved, and unification. The shape, number, and length of rugae pattern were studied over cast by the examiner and the mean value for length and numbers was then calculated. The length of each rugae was measured using a vernier caliper in millimeters (mm). Results: The mean number of palatal rugae was more in men (6.16±0.226) compared to that in women (5.86±0.364). The mean length of palatal rugae was more in men (5.96±0.64) than that in women (4.28±0.34), and it was found to be statistically significant (P = 0.02). In this study, the straight pattern was more common in both men and women (2.32±0.12 and 1.98±0.02, respectively) than other patterns. But none of the pattern shows a statistically significant association between the different patterns with gender. Conclusion: Straight rugae pattern is the most common pattern in both the groups and the mean number of palatal rugae and length is slightly more in men than that in women.


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